I am running 2 dns server. I want 2ndary server to get update from the primary server. My primary dns is on linux and put fwbuilder for easy iptables administration. What kind a rules should I put so that the 2ndary server able to get update from the primary server ?
May be the rules look like this ??
source dest protocol Action
2ndary? Primary 53-TCP? or Accept
or Any? 53-UDP?
Please help. This easy for expert.